January weather forecast
Umusa, Japan

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Weather in January

January, like December, in Umusa, Japan, is another comfortable winter month, with an average temperature ranging between max 18.6°C (65.5°F) and min 16.3°C (61.3°F).

Temperature

January, recording an average high temperature of 18.6°C (65.5°F) and a low temperature of 16.3°C (61.3°F), is Umusa's coldest month.

Humidity

With an average relative humidity of 72%, January is the least humid month in Umusa.

Rainfall

The month with the least rainfall is January, when the rain falls for 21.2 days and typically collects 63mm (2.48") of precipitation.

Daylight

In Umusa, the average length of the day in January is 10h and 41min.
On the first day of the month, sunrise is at 07:16 and sunset at 17:46. On the last day of January, in Umusa, sunrise is at 07:13 and sunset at 18:09 JST.

Sunshine

The month with the least sunshine is January, with an average of 4.1h of sunshine.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Umusa. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 4 during January leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Resources | Updated: Jan 31, 2024 | Published by: Weather Atlas

Frequently asked questions

What is the coldest time of year in Umusa?

Umusa's coldest weather arrives in January, when temperatures average a high of 18.6°C (65.5°F) and a low of 16.3°C (61.3°F).

What is the average January temperature in Umusa?

The high-temperature during January is 18.6°C (65.5°F) and the low-temperature is 16.3°C (61.3°F).

What is the least humid month in Umusa?

With an average relative humidity of 72%, January is the least humid month.

What is the average humidity in January in Umusa?

In January, the average relative humidity in Umusa is 72%.

What is the driest month in Umusa?

January is the month with the least rainfall. Rain falls for 21.2 days and accumulates 63mm (2.48") of precipitation.

How many days does it rain in January in Umusa?

In January, in Umusa, Japan, the rain falls for 21.2 days. Throughout January, 63mm (2.48") of precipitation is accumulated.

How many hours of daylight does Umusa have in January?

In Umusa, Japan, the average day length in January is 10h and 41min.

When are sunrise and sunset in January in Umusa?

On the first day of January, sunrise is at 07:16 and sunset at 17:46. On the last day of the month, sunrise is at 07:13 and sunset at 18:09 JST.

What is the month with the least sunshine in Umusa?

January has the least sunshine of the year in Umusa, Japan, with an average of 4.1h of sunshine.

How many hours of sunshine does Umusa have in January?

The average sunshine duration in January in Umusa is 4.1h.

When is the lowest UV index in Umusa?

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Umusa, Japan.

What is the UV index intensity in January in Umusa?

In January, the average daily maximum UV index in Umusa, Japan, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.

Average temperature in January
Umusa, Japan

Average temperature in January - Umusa, Japan
  • Average high temperature in January: 18.6°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.6°C).

  • Average low temperature in January: 16.3°C

The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).

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Average pressure in January
Umusa, Japan

Average pressure in January - Umusa, Japan
  • Average pressure in January: 1021mbar

The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).

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Average wind speed in January
Umusa, Japan

Average wind speed in January - Umusa, Japan
  • Average wind speed in January: 24.8km/h

The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).

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Average humidity in January
Umusa, Japan

Average humidity in January - Umusa, Japan
  • Average humidity in January: 72%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).

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Average rainfall in January
Umusa, Japan

Average rainfall in January - Umusa, Japan
  • Average rainfall in January: 63mm

The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).

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Average rainfall days in January
Umusa, Japan

Average rainfall days in January - Umusa, Japan
  • Average rainfall days in January: 21.2 days

The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).

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Average daylight in January /
Average sunshine in January
Umusa, Japan

Average daylight in January / Average sunshine in January - Umusa, Japan
  • Average daylight in January: 10h and 4min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in January
Umusa, Japan

Average sunshine days in January - Umusa, Japan
  • Average sunshine days in January: 6.6 days

The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).

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Average UV index in January
Umusa, Japan

Average UV index in January - Umusa, Japan
  • Average UV index in January: 4

The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in January
Umusa, Japan

Average cloud cover in January - Umusa, Japan
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in January
Umusa, Japan

Average visibility in January - Umusa, Japan
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).

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Umusa, Japan

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